package com.mingtu.dzpatrol.utils;

/**
 * @ClassName :NetworkUtil
 * @Author : wkk
 * @Date : 2020/4/24 17:26:12
 * @Email : 1281573890@qq.com
 * @Eescription :网络工具类
 */

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.text.TextUtils;

public class NetworkUtil {
    public static final int NETTYPE_WIFI = 0x01;
    public static final int NETTYPE_CMWAP = 0x02;
    public static final int NETTYPE_CMNET = 0x03;

    /**
     * 检测网络是否可用
     */
    public static boolean isNetworkConnected(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo ni = null;
        if (cm != null) {
            ni = cm.getActiveNetworkInfo();
        }
        return ni != null && ni.isConnectedOrConnecting();
    }

    /**
     * 获取当前网络类型
     *
     * @return 0：没有网络 1：WIFI网络 2：WAP网络 3：NET网络
     */
    public static int getNetworkType(Context context) {
        int netType = 0;
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = null;
        if (connectivityManager != null) {
            networkInfo = connectivityManager.getActiveNetworkInfo();
        }
        if (networkInfo == null) {
            return netType;
        }
        int nType = networkInfo.getType();
        if (nType == ConnectivityManager.TYPE_MOBILE) {
            String extraInfo = networkInfo.getExtraInfo();
            if (!TextUtils.isEmpty(extraInfo)) {
                if (extraInfo.toLowerCase().equals("cmnet")) {
                    netType = NETTYPE_CMNET;
                } else {
                    netType = NETTYPE_CMWAP;
                }
            }
        } else if (nType == ConnectivityManager.TYPE_WIFI) {
            netType = NETTYPE_WIFI;
        }
        return netType;
    }

}
